Learn V + 过 + (O) and 不 / 没(有) + 动词 through Telling a Story and Asking Directions.
Examples
我忘记他的名字了。
I forgot his name.
别忘记明天的会议。
Don't forget tomorrow's meeting.
Examples
我知道了。
I see. (I understand now.)
你知道吗？
Do you know?
Examples
我常喝茶。
I often drink tea.
他常来这儿。
He often comes here.
S + V + 过 + (O)Use verb + 过 to talk about an action that has happened at least once in the past, usually emphasizing the experience. Often used with time words such as 以前 (before).
我听过这个事。
I’ve heard about this before.
你知道这个地方吗？我去过。
Do you know this place? I have been there.
S + 不 / 没(有) + 动词不 negates intentions, habits and qualities; 没 negates something that has happened or that one has. Both go before the verb, and past events always take 没, never 不.
我没听过这个事。
I’ve never heard about this.
不要忘记，走路一会儿就到。
Don’t forget — it’s just a short walk.
Xiao Lin and Xiao Nan talk after class.
昨天老师说的那个事很好，你听过吗？
What the teacher talked about yesterday was great — have you heard it?
没有，我没听过。你知道是什么事吗？
No, I haven’t. Do you know what it was about?
是一个老师和学生的事，很好。
It’s about a teacher and a student — very good.
真好！对了，请问从这里到图书馆远吗？
Nice! By the way, is the library far from here?
不远，走路一会儿就到。我常去那里看书。
Not far — a short walk. I often go there to read.
我忘记图书馆在哪里了，你再说一次。
I’ve forgotten where the library is — say it again.
从这里往前走，图书馆就在学校旁边。
Go straight from here — the library is right next to the school.